drashna/qmk_firmware
1
0
Fork 0
Code Activity Actions

hhkb: refactored

Browse source
This commit is contained in:
tmk 2010-10-24 01:17:26 +09:00
parent 9d7979931e
commit 06eb50be07
16 changed files with 354 additions and 217 deletions
Download patch file Download diff file Expand all files Collapse all files

146
hhkb/keymap.c
View file

@ -3,12 +3,18 @@
*/
#include <stdbool.h>
#include <avr/pgmspace.h>
#include "usb_keyboard.h"
#include "matrix.h"
#include "keymap.h"
#include "usb_keyboard.h"
#include "print.h"
int current_layer = 0;
bool key_sent = false;
#define FN_KEYCODE(fn) (pgm_read_byte(&fn_keycode[(fn)]))
#define FN_LAYER(fn) (pgm_read_byte(&fn_layer[(fn)]))
#define KEYMAPS(layer, row, col) (pgm_read_byte(&keymaps[(layer)][(row)][(col)]))
static int current_layer = 0;
static bool layer_used = false;
static int onbit(uint8_t bits);
/*
* Layer0(Default Layer)
@ -66,15 +72,21 @@ bool key_sent = false;
* Mc: Mouse Cursor / Mb: Mouse Button / Mw: Mouse Wheel
*/
/* keycode sent when Fn key released without using layer keys. */
static const uint8_t PROGMEM FnKey[] = {
KB_NO, // this must be KB_NO. (not used)
/* keycode to sent when Fn key released without using layer keys. */
static const uint8_t PROGMEM fn_keycode[] = {
KB_NO, // FN_0
KB_NO, // FN_1
KB_RALT, // FN_2
KB_SCOLON, // FN_3
KB_NO, // FN_4
KB_NO, // FN_5
KB_NO, // FN_6
KB_NO, // FN_7
};
/* layer to change into while Fn key pressed */
static const int PROGMEM fn_layer[] = { 0, 1, 2, 3, 0, 0, 0, 0 };
static const uint8_t PROGMEM Keymap[][MATRIX_ROWS][MATRIX_COLS] = {
static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* plain keymap
{
{ KB_2, KB_Q, KB_W, KB_S, KB_A, KB_Z, KB_X, KB_C },
@ -134,61 +146,77 @@ static const uint8_t PROGMEM Keymap[][MATRIX_ROWS][MATRIX_COLS] = {
};
uint8_t get_keycode(int layer, int row, int col)
uint8_t keymap_get_keycode(int row, int col)
{
if (row >= MATRIX_ROWS)
return KB_NO;
if (col >= MATRIX_COLS)
return KB_NO;
return pgm_read_byte(&Keymap[layer][row][col]);
return keymap_get_keycodel(current_layer, row, col);
}
int get_layer(void) {
// keep modifier state when Fn key pressed
static uint8_t preserved_modifiers = 0;
int layer = 0;
uint8_t modifiers = 0;
for (int row = 0; row < MATRIX_ROWS; row++) {
for (int col = 0; col < MATRIX_ROWS; col++) {
if (matrix[row] & 1<<col) continue; // NOT pressed
uint8_t code = get_keycode(0, row, col);
// NOT change current_layer when one more Fn keys pressed
// when other than Fn key pressed
if (code == FN_1) layer = layer ? current_layer : 1;
else if (code == FN_2) layer = layer ? current_layer : 2;
else if (code == FN_3) layer = layer ? current_layer : 3;
else if (code == FN_4) layer = layer ? current_layer : 4;
else if (KB_LCTRL <= code && code <= KB_RGUI)
modifiers |= 1<<(code & 0x07);
else // other_key_pressed
layer = current_layer;
}
}
// TODO: this logic should go anywhere
// TODO: need timeout for key_sent
// send key when Fn key reloeased without used
if (layer != current_layer) {
if (layer == 0 && !key_sent) {
uint8_t code = pgm_read_byte(&FnKey[current_layer]);
if (code) {
// send modifiers when Fn key pressed.
keyboard_modifier_keys = preserved_modifiers;
for (int i = 0; i < 6; i++) keyboard_keys[i] = KB_NO;
if (KB_LCTRL <= code && code <= KB_RGUI) {
keyboard_modifier_keys |= 1<<(code & 0x07);
} else {
keyboard_keys[0] = code;
}
usb_keyboard_send();
}
}
current_layer = layer;
key_sent = false;
preserved_modifiers = modifiers;
}
uint8_t keymap_get_keycodel(int layer, int row, int col)
{
uint8_t code = KEYMAPS(layer, row, col);
// normal key or mouse key
if ((KB_A <= code && code <= KP_HEXADECIMAL) ||
(MS_UP <= code && code <= MS_WH_RIGHT))
layer_used = true;
return code;
}
inline
int keymap_get_layer(void) {
return current_layer;
}
inline
int keymap_set_layer(int layer) {
current_layer = layer;
return current_layer;
}
void keymap_fn_proc(int fn_bits) {
// layer switching
static int last_bits = 0;
static uint8_t last_mod = 0;
if (usb_keyboard_has_key() || fn_bits == last_bits) {
// do nothing during press other than Fn key
return;
} else if (fn_bits == 0) {
// send key when Fn key is released without using the layer
if (!layer_used) {
uint8_t code = FN_KEYCODE(onbit(last_bits));
if (code != KB_NO) {
if (KB_LCTRL <= code && code <= KB_RGUI) {
keyboard_modifier_keys = last_mod | 1<<(code & 0x07);
} else {
keyboard_keys[0] = code;
keyboard_modifier_keys = last_mod;
}
usb_keyboard_send();
usb_keyboard_print();
usb_keyboard_clear();
}
}
last_bits = 0;
last_mod = 0;
layer_used = false;
keymap_set_layer(0); // default layer
print("layer default: "); phex(current_layer); print("\n");
} else if ((fn_bits & (fn_bits - 1)) == 0) {
// switch layer when just one Fn Key is pressed
last_bits = fn_bits;
last_mod = keyboard_modifier_keys;
layer_used = false;
keymap_set_layer(FN_LAYER(onbit(fn_bits)));
print("layer: "); phex(current_layer); print("\n");
print("last_bits: "); phex(last_bits); print("\n");
print("last_mod: "); phex(last_mod); print("\n");
}
}
static int onbit(uint8_t bits) {
int n = 0;
if (bits >> 4) { bits >>= 4; n += 4;}
if (bits >> 2) { bits >>= 2; n += 2;}
if (bits >> 1) { bits >>= 1; n += 1;}
return n;
}